Patents by Inventor Minoru Fukusaki

Minoru Fukusaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ash melting furnace
    Patent number: 5493578
    Abstract: The ash melting furnace disposes the combustion ash resulted from incineration of municipal or other sorts of waste by melting it utilizing as the main fuel the unburnt carbon contained in the ash itself. The ash melting furnace includes a stationary plasma torch which uses air for the working gas, and which is so placed facing the combustion ash heaped up within the furnace as to project its hot gas jet thereon. The furnace further includes a torch unit controller that actuates the plasma torch to secondarily heat and melt the ash.
    Type: Grant
    Filed: September 21, 1993
    Date of Patent: February 20, 1996
    Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.
    Inventors: Minoru Fukusaki, Hitoshi Hagihara, Satoshi Inoue